Bruce Kirby

As letter bombs begin targeting people surrounding a previous serial bomber investigation, Don and Charlie must sift through a number of false leads to find the real killer. Also available on iTunes and VUDU

At Abbey's urging, Josh meets with a powerful women's caucus over the proposed language of a United Nations treaty banning prostitution. Meanwhile, Bartlet grapples with the possibility of a mad cow disease epidemic and ponders how much the public should know. Staffers are stunned by C.J.'s emotional outburst concerning the administration's renewal of its air base lease in a Mideast country that condones abuse of its women. World War II veterans come to the White House to protest an upcoming Pearl Harbor exhibit at the Smithsonian. Bartlet is sued by an angry woman who intends to raise a public outcry over his remarks regarding the controversial issue of a national seatbelt law. MARY-LOUISE PARKER guest stars. Also available on iTunes and VUDU

The Daily Planet staff is assigned to learn more about Superman. Lex Luthor (JOHN SHEA) threatens to cause an endless succession of disasters in Metropolis to prove that Superman can't save everyone simultaneously. To protect innocent lives, Clark (DEAN CAIN) vows never to transform into Superman again.

Hunter, investigating the murder of a famous movie actress, follows a contract killer to Mexico and learns why the C.I.A. is interested in the killing. Also available on Xfinity